Boats For Sale:
Bleeding Trailer Brakes |
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Chopper 
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Joined: June-15-2006 Location: Australia Status: Offline Points: 821 |
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 Topic: Bleeding Trailer BrakesPosted: July-08-2010 at 3:58am |
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Might be a stupid question, but how do you go about bleeding the brakes on a Trailrite trailer.?
It has the A-60 hitch that slides inside the channel. My brakes were disconnected, thus need to be bled. 
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C-Bass
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Joined: November-18-2008 Location: Columbus, IN Status: Offline Points: 1248 |
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Posted: July-08-2010 at 2:21pm |
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I don't know about that specific brake actuator...but I think most hydraulic actuators have a spot where you can manually actuate the cylinder, in my case, with a long screwdriver. Open up your bleeder valves and start pumping it. Don't let your reservoir get low.
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79nautique
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Joined: January-27-2004 Location: United States Status: Offline Points: 7872 |
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Posted: July-08-2010 at 2:27pm |
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all this is going to do is get more air into the system, the bleeder as to be closed before you release pressure on the cylinder, other wise you just suck more air back in to the line and get no where. the easist way is to use a vaccum bleeder, fill the reservoir, attach the line to the bleeder valve and open up the bleeder once you see clean air free fluid close the valve and go to the next one and repeat. |
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C-Bass
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Posted: July-08-2010 at 6:46pm |
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I guess I over simplified it yes...Chris is right. When I do it it's a two man job. One person on the bleeder, the other at the actuator. I usually slide some clear tubing over the bleeder and run it in a container. Put some pressure on the cylinder...crack open the bleeder, close the bleeder, release pressure on cylinder.....repeat.
That is the poor man's way. A vacuum bleeder makes it much easier. |
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quinner
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Posted: July-08-2010 at 7:01pm |
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Chris,
Could an oil extractor pump be used as a vacuum bleeder, such as a Suck-up pump? |
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66Skylark
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Joined: September-01-2004 Location: United States Status: Offline Points: 195 |
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Posted: July-08-2010 at 7:47pm |
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Hi Andrew,
I'm pretty sure I have the same actuator on my trailer... Here is a link to the Owner's Manual & User's Instructions for the A-60, A-75 & A-84 hydraulic brake actuators from UFP (Unique Functional Products). Also, if you have any trouble finding spare parts, here is a link to PacificTrailers.com, they seem to have a good selection of parts for this actuator. Hope this info helps. Kyle |
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66Skylark
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Posted: July-08-2010 at 7:59pm |
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One more thing...
This brochure for the A-60 might be helpful as well... It has a nice cut-away of the interior of the actuator. Kyle |
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gun-driver
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Joined: July-18-2008 Location: Pittsburgh, Pa Status: Offline Points: 4112 |
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Posted: July-09-2010 at 11:35am |
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One of these will make it a one man job and quicker. http://www.northerntool.com/shop/tools/product_391590_391590 |
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C-Bass
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Posted: July-09-2010 at 12:10pm |
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It'd be nice to have every tool for every job, I agree...but I'll save my $42 and bother my wife/neighbor/friend for 3 minutes to do this job once a year 
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79nautique
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Posted: July-09-2010 at 12:17pm |
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YES might require a tubing change though so that it seals on the bleeder valve |
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quinner
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Posted: July-09-2010 at 3:56pm |
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Thanks Chris, planning on bleeding mine this weekend, thinking I have some air in my lines. Does it matter which fluid is used, Dot 3, 4, ?
From what I read it also says start on the front axle, then do the rear axle, is that correct? |
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79nautique
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Posted: July-09-2010 at 4:11pm |
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usually you start at the longest line and then move to the shortest one. I believe you want dot 3 the other is synthetic I think and requires a flush of the old, just be sure and keep plenty of fluid in the reservior before you go to the next one.
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Chopper
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Posted: July-11-2010 at 11:27pm |
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Thanks for the tips guys.
Kyle - thanks for the manuals.! |
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lewy2001
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Posted: July-11-2010 at 11:52pm |
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Andrew I made a pressure bleeder up from a garden sprayer. Just needed to buy a extra reservoir cap and fit a coupling to it. Makes bleeding nice and simple and a one person job.Homemade Pressure Bleeder
Not sure if you will be able to buy a spare cap for your setup but you may be able to find something that will work and seal on top of the reservoir. |
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C-Bass wrote: